Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Network Troubleshooting, General Networking, OSI Models, Network Protocols, Networking Hardware, TCP/IP, Microsoft Windows, Network Routers, Network Switches, Network Architecture, Network Administration, Computer Networking, System Configuration, Command-Line Interface, iOS Development, Operating Systems, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Web Scraping, Geospatial Information and Technology, Microsoft Azure, Cloud Storage, Interactive Data Visualization, R Programming, Data Collection, Data Manipulation, Data Science, Data Visualization Software, Data Integration, Data Analysis, Data Ethics, Statistical Reporting, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Development, Web Design and Development, Web Applications, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles, JSON, Computational Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Torque (Physics), Game Design, Video Game Development, Mechanics, Animation and Game Design, Simulations, Mathematical Modeling, Physics, Scripting, C# (Programming Language), Linear Algebra, Applied Mathematics
Mixed · Course · 1 - 4 Weeks


Skills you'll gain: Threat Detection, Vulnerability Management, Cyber Threat Hunting, Vulnerability Assessments, Cloud Security, Multi-Cloud, Intrusion Detection and Prevention, Threat Management, Google Cloud Platform, Enterprise Security, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Store, Data Import/Export, Development Environment, Software Installation, System Configuration
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Document Management
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Database Design, Performance Tuning, Data Transformation, Python Programming, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Content Management, Cascading Style Sheets (CSS), Application Frameworks, Routing Protocols, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Swift Programming, Core Data (Software), Apple Xcode, Mobile Development, Interactive Data Visualization, User Interface (UI), Data Sharing, Application Programming Interface (API), Data Modeling, Data Structures, Real Time Data, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Generative AI, Responsible AI, Content Creation, Entrepreneurship
Intermediate · Course · 1 - 4 Weeks